Home / 691,858.20-1,037,787.30-551,890.20

Finding the Fourth Proportional to 691,858.20, 1,037,787.30 and 551,890.20

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Solution

The fourth proportional to 691,858.20, 1,037,787.30 and 551,890.20 is: 827,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,858.20 : 1,037,787.30 = 551,890.20 : x
  2. Step 2: Convert to fraction form
    691,858.20/1,037,787.30 = 551,890.20/x
  3. Step 3: Cross multiply
    691,858.20x = 1,037,787.30 × 551,890.20
  4. Step 4: Simplify right side
    691,858.20x = 572,744,640,554.46
  5. Step 5: Solve for x
    x = 572,744,640,554.46/691,858.20
  6. Step 6: Final answer
    x = 827,835.30

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.